Physical Port24-port 10/100BASE-TX RJ45 copper with IEEE 802.3at/af PoE+ injector2-port 10/100/1000BASE-T Gigabit RJ45 copper2 1000BASE-X mini-GBIC/SFP slots, shared with port-25 to port-26RJ45 console interface for switch basic management and setupReset button for system factory default SwitchingHardware-based 10/100Mbps, half/full duplex and 1000Mbps full duplex mode, flow control and auto-negotiation, and auto MDI/MDI-XFeatures Store-and-Forward mode with wire-speed filtering and forwarding ratesIEEE 802.3x flow control for full duplex operation and back pressure for half duplex operationAutomatic address learning and address agingSupports CSMA/CD protocol Power over EthernetComplies with IEEE 802.3at Power over Ethernet PlusComplies with IEEE 802.3af Power over EthernetUp to 24 ports of IEEE 802.3af/802.3at devices poweredSupports PoE Power up to 30.8 watts for each PoE port220-watt PoE budgetAuto detects powered device (PD)Circuit protection prevents power interference between portsRemote power feeding up to 100mPoE Management- Total PoE power budget control- Per port PoE function enable/disable- Per Port PoE operation mode selection- Per PoE port power budget control- PD classification detection and PoE consumption usage statusIntelligent PoE features- PD alive check- PoE port sequence- PoE scheduleLayer 2 FeaturesPrevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)High performance Store and Forward architecture, runt/CRC filtering eliminates erroneous packets to optimize the network bandwidthSupports VLAN- Port-based VLAN, up to 26 VLAN groups- IEEE 802.1Q tagged VLAN- Protocol VLAN- Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)- GVRP- Voice VLANSupports Spanning Tree Protocol- STP (IEEE 802.1D Spanning Tree Protocol)- RSTP (IEEE 802.1w Rapid Spanning Tree Protocol)- MSTP (IEEE 802.1s Multiple Spanning Tree Protocol)- STP BPDU Filtering, BPDU ProtectSupports Link Aggregation- IEEE 802.3ad Link Aggregation Control Protocol (LACP)- 1 LACP group, up to 2 ports per LACP group- Cisco ether-channel (static trunk)- 1 trunk group, up to 2 ports per trunk groupProvides port mirror (many-to-1)Loop detectionQuality of ServiceIngress/Egress Rate Limit per port bandwidth controlStorm Control support- Broadcast/ Multicast /DLF (Destination Lookup Fail)/ARP/ICMPTraffic classification- IEEE 802.1p Qos/CoS- TCP/UDP/DSCP/IP precedence of IPv4/IPv6 packetsStrict priority and Weighted Round Robin (WRR) CoS policiesMulticastSupports IPv4 IGMP snooping v1/ v2 and v3Supports IPv6 MLD snooping v1, v2SecurityAccess Control List- IPv4/IPv6 IP-based ACL- MAC-based ACLPort-MAC-IP Address Binding- Port-MAC-IP Port Setting- Port-MAC-IP Entry SettingMAC Address Binding- Static MAC- MAC FilteringDHCP snooping to filter distrusted DHCP messagesARP Inspection discards ARP packets with invalid MAC address to IP address bindingManagementIPv4 and IPv6 dual stack managementSwitch management interface- RJ45 Console local management- Web switch management- Telnet command line interface- SNMP v1, v2c and v3BOOTP and DHCP for IP address assignmentSystem maintenance- Firmware upgrade via http- Configuration upload/download through web interface- Hardware-based reset button for system reset to factory defaultSNTP Network Time ProtocolLink Layer Discovery Protocol (LLDP)SNMP trap for interface link up and link down notificationEvent message logging to remote Syslog serverPLANET smart discovery utility